Conclusion Peptides for muscle growth work by influencing hormonal signaling, primarily growth hormone and IGF-1
Wiersinga WJ, Rhodes A, Cheng AC, Peacock SJ, Prescott HC
Furthermore, TRT raises concerns regarding the suppression of endogenous testosterone production and unclear long-term risks, such as prostate cancer, erythrocytosis, and cardiovascular diseases [139, 159,160,161,162]
Outside of that, non-medical or performance-enhancing use is considered off-label and not legally sanctioned
Exenatide (Byetta and Bydureon BCise) Exenatide was the first GLP-1 receptor agonist approved in the US, in 2005, derived from a peptide in Gila monster venom